Finding the Third Proportional to 20,667,790 and 30,403,768

Step by Step Solution

1. Step 1: Write the proportion equation
   20,667,790 : 30,403,768 = 30,403,768 : x
2. Step 2: Convert to fraction form
   20,667,790/30,403,768 = 30,403,768/x
3. Step 3: Cross multiply
   20,667,790x = 30,403,768 × 30,403,768
4. Step 4: Simplify right side
   20,667,790x = 924,389,108,597,824
5. Step 5: Solve for x
   x = 924,389,108,597,824/20,667,790
6. Step 6: Final answer
   x = 44,726,074.18